Home / 1,295,489.10-1,788,606.99-812,716.14

Finding the Fourth Proportional to 1,295,489.10, 1,788,606.99 and 812,716.14

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Solution

The fourth proportional to 1,295,489.10, 1,788,606.99 and 812,716.14 is: 1,122,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,489.10 : 1,788,606.99 = 812,716.14 : x
  2. Step 2: Convert to fraction form
    1,295,489.10/1,788,606.99 = 812,716.14/x
  3. Step 3: Cross multiply
    1,295,489.10x = 1,788,606.99 × 812,716.14
  4. Step 4: Simplify right side
    1,295,489.10x = 1,453,629,768,889.82
  5. Step 5: Solve for x
    x = 1,453,629,768,889.82/1,295,489.10
  6. Step 6: Final answer
    x = 1,122,070.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.